The invention belongs to the technical field of building design, and discloses a green building window sunshade structure. The green building window sunshade structure comprises a parallelogram hinge frame, an elastic light blocking body, a first connecting rod, a steering machine, a support, a second connecting rod, a third connecting rod, a guiding structure, a detection device and a controller, the elastic light blocking body covers the parallelogram hinge frame; one end of the first connecting rod is hinged to one vertex of the parallelogram hinge frame; an output shaft of the steering engine is fixedly sleeved with the other end of the first connecting rod; the support is arranged on the side, away from the parallelogram hinge frame, of the steering engine; the second connecting rod and the third connecting rod are correspondingly located on the two sides of the first connecting rod, one ends of the second connecting rod and the third connecting rod are correspondingly hinged to the support, and the other ends of the second connecting rod and the third connecting rod are correspondingly hinged to two opposite vertexes of the parallelogram hinge frame; the guiding structure is arranged on the side, away from the first connecting rod, of the parallelogram hinge frame, and the vertex, away from the first connecting rod, of the parallelogram hinge frame is connected with the guiding structure; the detection device is arranged on the parallelogram hinge frame; and the controller is electrically connected with the steering engine and the detection device, and the controller is electrically connected with a power supply through a control switch. The green building window sunshade structure is reliable in structure and good in practicability.